DE2851716A1 - MEASURING DEVICE FOR SUCTION AIR PRESSURE AND TEMPERATURE - Google Patents

MEASURING DEVICE FOR SUCTION AIR PRESSURE AND TEMPERATURE

Info

Publication number
DE2851716A1
DE2851716A1 DE19782851716 DE2851716A DE2851716A1 DE 2851716 A1 DE2851716 A1 DE 2851716A1 DE 19782851716 DE19782851716 DE 19782851716 DE 2851716 A DE2851716 A DE 2851716A DE 2851716 A1 DE2851716 A1 DE 2851716A1
Authority
DE
Germany
Prior art keywords
measuring device
pressure
temperature sensor
temperature
supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE19782851716
Other languages
German (de)
Other versions
DE2851716C2 (en
Inventor
Kurt Burger
Heiko Dipl Phys Dr Gruner
Werner Dr Herden
Max Dipl Phys Dr Keller
Hans Dipl Ing Dr Neu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE19782851716 priority Critical patent/DE2851716A1/en
Priority to FR7929561A priority patent/FR2442966A1/en
Publication of DE2851716A1 publication Critical patent/DE2851716A1/en
Application granted granted Critical
Publication of DE2851716C2 publication Critical patent/DE2851716C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
    • G01K7/183—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer characterised by the use of the resistive element
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0082—Transmitting or indicating the displacement of capsules by electric, electromechanical, magnetic, or electromechanical means
    • G01L9/0083—Transmitting or indicating the displacement of capsules by electric, electromechanical, magnetic, or electromechanical means using variations in ohmic resistance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Description

R. 515 5R. 515 5

9.11.1978 Lr/Sm11/9/1978 Lr / Sm

ROBERT BOSCH GMBH, 7OOO Stuttgart 1ROBERT BOSCH GMBH, 7OOO Stuttgart 1 Meßeinrichtung für Ansaugluft-Druck und -TemperaturMeasuring device for intake air pressure and temperature

Die Erfindung betrifft eine Meßeinrichtung zur Erfassung des Druckes und der Temperatur der im Ansaugrohr einer Brennkraftmaschine strömenden Ansaugluft mittels eines Drucksensors und eines Temperatursensors.The invention relates to a measuring device for detecting the pressure and the temperature in the intake manifold Internal combustion engine flowing intake air by means of a pressure sensor and a temperature sensor.

Der Erfindung liegt die Aufgabe zugrunde, eine möglichst einfache Meßeinrichtung der eingangs beschriebenen Art zu schaffen^ welche nur geringen Einbau- und Wartungsaufwand erfordert. The invention is based on the object of creating a measuring device of the type described above which is as simple as possible and which requires only little installation and maintenance effort.

30025/001830025/0018

■ -/-■■■ R. 5155■ - / - ■■■ R. 5155

Lr /SmLr / Sm

Zur Lösung dieser Aufgabe ist erfindungsgemäß vorgesehen, daß der Drucksensor und der Temperatursensor zusammen mit einer elektronischen Versorgungs- und Auswerteschaltung in einem gemeinsamen Gehäuse untergebracht sind. Weitere Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen in Verbindung mit dem nachstehend beschriebenen Ausführungsbeispiel, einer aus Drucksensor, Temperatursensor und Auswerteschaltung gebildeten* kombinierten Meßeinrichtung, die in Figur in einem Längsschnitt und in Figur 2 ausschnittsweise in der Draufsicht dargestellt ist.To solve this problem, the invention provides that the pressure sensor and the temperature sensor together with an electronic supply and evaluation circuit are housed in a common housing. Further refinements of the invention result from the subclaims in connection with the embodiment described below, one Combined measuring device formed from pressure sensor, temperature sensor and evaluation circuit, shown in FIG is shown in a longitudinal section and in Figure 2 in detail in plan view.

In der Zeichnung ist bei 1 das Ansaugrohr einer im übrigen nicht dargestellten Brennkraftmaschine angedeutet, durch welches die Ansaugluft strömt, deren Druck und Temperatur durch die Meßeinrichtung erfaßt und aufbereitet werden soll. Die nachstehend beschriebenen Druck- und. Temperatur-Sensoren sind zusammen mit einer in Hybrid-Technik ausgeführten Stromversorgungs- und Auswerteschaltung 2 auf einem gemeinsamen Substrat angebracht und von einem gemeinsamen Gehäuse 4 umschlossen, welches mit- einem Gewindezapfen 5 in das Saugrohr 1 eingeschraubt ist.In the drawing, the intake pipe of an internal combustion engine, otherwise not shown, is indicated at 1, through which the intake air flows, the pressure and temperature of which is recorded and processed by the measuring device shall be. The printing and. Temperature sensors come along with a Power supply and evaluation circuit 2 implemented in hybrid technology on a common substrate attached and enclosed by a common housing 4, which is screwed into the suction tube 1 with a threaded pin 5 is.

Der Temperatursensor besteht aus einem- in Schichttechnik •hergestellten, NTC- oder PTC-Widerstand 7, welcher auf dem in die Bohrung 6 des Gewindezapfens 5 hineinragenden Endabschnitt des Substratstrei'fens 3 beispielsweise durch Aufdampfen angebracht ist.The temperature sensor consists of a layered technique • manufactured, NTC or PTC resistor 7, which protrudes on the into the bore 6 of the threaded pin 5 End portion of the substrate strip 3 is attached for example by vapor deposition.

030025/0018030025/0018

- /- R. 5155- / - R. 5155

Lr /SmLr / Sm

Der Drucksensor zur Erfassung des Luftdruckes im Ansaugrohr kann z.B. aus einem Dehnungsmeßstreifen-Aufnehmer, einer kapazitiven Druckdose oder aus einem in einem Permanentmagnetfeld relativ zu diesem, durch eine Membrandruckdose verstellbaren Hall-Generator bestehen. Im Ausführungsbeispiel ist es eine Wellmembrandose 9 mit linearer Druck-Weg-Kennlinie und ein einseitig eingespanntes Pederelement 14 mit linearer Weg-Dehnung-Kennlinie ι Membrandose 9 und Pederelement 14 sindThe pressure sensor for detecting the air pressure in the intake pipe can e.g. consist of a strain gauge sensor, a capacitive pressure cell or from one in a permanent magnetic field relative to this, through a membrane pressure cell adjustable Hall generator. In the exemplary embodiment, it is a corrugated membrane can 9 with a linear pressure-displacement characteristic and a peder element 14 clamped on one side with a linear displacement-expansion characteristic ι membrane box 9 and peder element 14 are

■bei
mechanisch/lo miteinander gekoppelt. Dehnungsmeßstreifen 15 wandeln die Oberflächendehnung auf dem Pederelement 14 in ein elektrisch direkt weiterverarbeitbares Signal. Diese können beispielsweise in Schichttechnik ausgeführt sein. ■ at
mechanically / lo coupled with each other. Strain gauges 15 convert the surface expansion on the peder element 14 into a signal that can be further processed electrically. These can, for example, be implemented using layering technology.

Besonders vorteilhaft ist es, den Temperatur- und den Drucksensor so zu gestalten, daß sie mit der zugehörigen elektronischen Versorgungs- und Auswerteschaltung auf einem Substrat aufgebaut werden können.It is particularly advantageous to design the temperature and pressure sensors so that they are connected to the associated electronic supply and evaluation circuit can be built on a substrate.

Die Zusammenfassung des Drucksensors und des Temperatursensors mit einer Versorgungs- und Auswerteschaltung bringt den Vorteil mit sich, daß der -Einbau des Meßgerätes stark vereinfacht wird, wobei eine erhebliche Kostenersparnis und Vereinfachung beim Meßgerät selbst erzielt werden kann.The summary of the pressure sensor and the temperature sensor with a supply and evaluation circuit has the advantage that the installation of the measuring device is greatly simplified, with a significant cost saving and simplification in the measuring device itself can be achieved.

030025/0018030025/0018

Claims (6)

R. 5155
9.11.1978 Lr/SrnR. 5155
11/9/1978 Lr / Srn ROBERT BOSCH GMBH, 7OOO Stuttgart 1ROBERT BOSCH GMBH, 7OOO Stuttgart 1 AnsprücheExpectations Meßeinrichtung zur Erfassung des Druckes und der Temperatur der im Ansaugrohr einer Brennkraftmaschine strömenden Ansaugluft mittels eines Drucksensors und eines Temperatürsensors, dadurch gekennzeichnet, daß der Drucksensor (9, 15) und der Temperatursensor (7) zusammen mit einer elektronischen Versorgungs- und Auswerteschaltung (2) in einem gemeinsamen Gehäuse (4) untergebracht sind.Measuring device for detecting the pressure and the Temperature in the intake manifold of an internal combustion engine flowing intake air by means of a pressure sensor and a temperature sensor, characterized in that the pressure sensor (9, 15) and the temperature sensor (7) together with an electronic supply and evaluation circuit (2) are housed in a common housing (4). ..12..12 030025/0010030025/0010 - 2 - R. 5155- 2 - R. 5155 Lr/SmLr / Sm 2. Meßeinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Temperatursensor als Dünnschicht-Widerstand auf einem Substrat (3) angebracht ist, welches auch die vorzugsweise in Hybrid-Technik ausgeführte Versorgungsund Auswerteschaltung (2) trägt.2. Measuring device according to claim 1, characterized in that the temperature sensor as a thin-film resistor a substrate (3) is attached, which is also the supply and Evaluation circuit (2) carries. 3. Meßeinrichtung nach Anspruch 1 und 2, dadurch gekennzeichnet, daß zur Druckmessung eine Kombination aus einer Wellmembrandose (9) und einem einseitig eingespannten Pederelement (14) benutzt wird, welche mechanisch miteinander gekoppelt sind.·3. Measuring device according to claim 1 and 2, characterized in that a combination of pressure measurement a corrugated diaphragm box (9) and a peder element (14) clamped on one side, which mechanically are coupled to each other. 4. Meßeinrichtung nach Anspruch 1, 2, 3> dadurch gekennzeichnet, daß zur Erfassung der Oberflächendehnung auf dem Pederelement (14) Dehnungsmeßstreifen aufgebracht sind, welche vorzugsweise in Dünnschichttechnik gefertigt sind.4. Measuring device according to claim 1, 2, 3> characterized in that strain gauges are applied to the peder element (14) to detect the surface expansion are, which are preferably manufactured using thin-film technology. 5. Meßeinrichtung nach Anspruch 1 oder 2 und 3, dadurch gekennzeichnet, daß Temperatursensor und Versorgungsund Auswerteelektronik sowie Dreiecksfeder mit Dehnungsmeßstreifen auf einem gemeinsamen Substrat aufgebaut sind.5. Measuring device according to claim 1 or 2 and 3, characterized in that the temperature sensor and supply and Evaluation electronics and triangular spring with strain gauges built on a common substrate are. ../3 030025/0018 ../3 030025/0018 21517182151718 - J - R. 5155- J - R. 5155 Lr/Sm -Lr / Sm - 6. Meßeinriehtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß zur Erfassung des Druckes eine kapazitive Druckdose Verwendung findet.6. measuring device according to claim 1 or 2, characterized in that that a capacitive pressure cell is used to record the pressure. "7. Meßeinriehtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß zur Erfassung des Druckes ein auf einer Membrane oder Membrandose angebrachter Hall-Generator sich relativ zu einem räumlich festen Permanentmagnetfeld bewegt."7. Messeinriehtung according to claim 1 or 2, characterized in that that a Hall generator attached to a diaphragm or diaphragm box is used to record the pressure moves relative to a spatially fixed permanent magnetic field. -03 0 0-2 5/.001 B -03 0 0-2 5 / .001 B
DE19782851716 1978-11-30 1978-11-30 MEASURING DEVICE FOR SUCTION AIR PRESSURE AND TEMPERATURE Granted DE2851716A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19782851716 DE2851716A1 (en) 1978-11-30 1978-11-30 MEASURING DEVICE FOR SUCTION AIR PRESSURE AND TEMPERATURE
FR7929561A FR2442966A1 (en) 1978-11-30 1979-11-30 Combustion engine inlet manifold pressure and temp. meter - contains thin film sensors and supply and measurement circuits on common substrate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782851716 DE2851716A1 (en) 1978-11-30 1978-11-30 MEASURING DEVICE FOR SUCTION AIR PRESSURE AND TEMPERATURE

Publications (2)

Publication Number Publication Date
DE2851716A1 true DE2851716A1 (en) 1980-06-19
DE2851716C2 DE2851716C2 (en) 1987-01-29

Family

ID=6055878

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782851716 Granted DE2851716A1 (en) 1978-11-30 1978-11-30 MEASURING DEVICE FOR SUCTION AIR PRESSURE AND TEMPERATURE

Country Status (2)

Country Link
DE (1) DE2851716A1 (en)
FR (1) FR2442966A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993006345A1 (en) * 1991-09-25 1993-04-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lubricating-oil monitoring device
WO1998043056A1 (en) * 1997-03-21 1998-10-01 Robert Bosch Gmbh Device for determining the pressure and temperature in the suction pipe of an internal combustion engine
WO1999005477A1 (en) * 1997-07-22 1999-02-04 Robert Bosch Gmbh Device for detecting the pressure and temperature in the induction pipe of an internal combustion engine and method for the production of said device
RU2731836C1 (en) * 2020-02-23 2020-09-08 Российская Федерация, от имени которой выступает Государственная корпорация по космической деятельности "РОСКОСМОС" Device for determination of heat flows and pressure in high-temperature high-pressure jets
DE102010015087B4 (en) * 2010-04-15 2021-06-17 Andreas Stihl Ag & Co. Kg Hand-held tool with pressure sensor and temperature sensor
RU215211U1 (en) * 2022-02-14 2022-12-02 Общество с ограниченной ответственностью "АвтоТрейд" Temperature and pressure sensor

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3823449A1 (en) * 1988-07-11 1990-01-18 Bosch Gmbh Robert MEASURING DEVICE FOR DETECTING PRESSURE AND TEMPERATURE
IT1268604B1 (en) * 1994-09-30 1997-03-06 Marelli Autronica MULTIFUNCTION SENSOR DEVICE.
DE19750496A1 (en) * 1997-11-14 1999-05-20 Bosch Gmbh Robert Method of determining the air induced into an internal combustion engine
DE29817221U1 (en) * 1998-09-29 2000-02-10 Taprogge Gmbh Measuring tube, in particular for heat exchangers, with at least one thermocouple
DE10109095A1 (en) * 2001-02-24 2002-09-05 Bayerische Motoren Werke Ag Combination sensor, especially pressure and temperature sensor, for use in motor sport or aerospace applications has a compact design and is easily mounted
JP2008088937A (en) * 2006-10-04 2008-04-17 Mitsubishi Electric Corp Detector and engine control device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2531784A1 (en) * 1974-10-10 1976-04-29 Oemv Ag Measuring system for drill holes - has combination of temperature and pressure measuring apparatus as unit convected to decoders
US3956928A (en) * 1975-04-28 1976-05-18 Ford Motor Company Vortex shedding device for use in measuring air flow rate into an internal combustion engine
US3989614A (en) * 1975-01-08 1976-11-02 Tseng Ying Tien Gas sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715638A (en) * 1971-05-10 1973-02-06 Bendix Corp Temperature compensator for capacitive pressure transducers
US3787764A (en) * 1971-12-03 1974-01-22 Atomic Energy Commission Solid dielectric capacitance gauge for measuring fluid pressure having temperature compensation and guard electrode
US3828333A (en) * 1971-12-16 1974-08-06 Int Technical Ind Pressure sensing and indicating system
US3967188A (en) * 1973-05-24 1976-06-29 Bell & Howell Company Temperature compensation circuit for sensor of physical variables such as temperature and pressure
DE2507917C2 (en) * 1975-02-24 1986-01-02 Robert Bosch Gmbh, 7000 Stuttgart Device for regulating the optimal operating behavior of an internal combustion engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2531784A1 (en) * 1974-10-10 1976-04-29 Oemv Ag Measuring system for drill holes - has combination of temperature and pressure measuring apparatus as unit convected to decoders
US3989614A (en) * 1975-01-08 1976-11-02 Tseng Ying Tien Gas sensor
US3956928A (en) * 1975-04-28 1976-05-18 Ford Motor Company Vortex shedding device for use in measuring air flow rate into an internal combustion engine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993006345A1 (en) * 1991-09-25 1993-04-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lubricating-oil monitoring device
WO1998043056A1 (en) * 1997-03-21 1998-10-01 Robert Bosch Gmbh Device for determining the pressure and temperature in the suction pipe of an internal combustion engine
WO1999005477A1 (en) * 1997-07-22 1999-02-04 Robert Bosch Gmbh Device for detecting the pressure and temperature in the induction pipe of an internal combustion engine and method for the production of said device
DE102010015087B4 (en) * 2010-04-15 2021-06-17 Andreas Stihl Ag & Co. Kg Hand-held tool with pressure sensor and temperature sensor
RU2731836C1 (en) * 2020-02-23 2020-09-08 Российская Федерация, от имени которой выступает Государственная корпорация по космической деятельности "РОСКОСМОС" Device for determination of heat flows and pressure in high-temperature high-pressure jets
RU215211U1 (en) * 2022-02-14 2022-12-02 Общество с ограниченной ответственностью "АвтоТрейд" Temperature and pressure sensor

Also Published As

Publication number Publication date
DE2851716C2 (en) 1987-01-29
FR2442966A1 (en) 1980-06-27
FR2442966B1 (en) 1983-03-11

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